Home / 453,118.40-679,677.60-383,134.40

Finding the Fourth Proportional to 453,118.40, 679,677.60 and 383,134.40

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Solution

The fourth proportional to 453,118.40, 679,677.60 and 383,134.40 is: 574,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,118.40 : 679,677.60 = 383,134.40 : x
  2. Step 2: Convert to fraction form
    453,118.40/679,677.60 = 383,134.40/x
  3. Step 3: Cross multiply
    453,118.40x = 679,677.60 × 383,134.40
  4. Step 4: Simplify right side
    453,118.40x = 260,407,869,469.44
  5. Step 5: Solve for x
    x = 260,407,869,469.44/453,118.40
  6. Step 6: Final answer
    x = 574,701.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.